How long to stop using adalimumab injection depends on the disease condition, usually more than three months. Adalimumab injection is a biological agent, is a TNF-a monoclonal antibody, generally used for rheumatoid arthritis, ankylosing spondylitis and other autoimmune diseases. Generally need to be injected for at least three months, if the condition allows, no serious adverse reactions occur can be considered for long-term use. When using adalimumab injection, it is necessary to pay close attention to the disease control situation and monitor the related adverse reactions, and cannot stop the drug arbitrarily. How long to use adalimumab injection and how to reduce the drug should be decided under the overall assessment of the condition by a specialist and close observation of adverse effects, do not stop the drug on your own.